Add executable file.

bin.js

@@ -0,0 +1,10 @@
+#!/usr/bin/env node
+
+if (process.argv.some(function (arg) { return /-h|--help/.test(arg) })) {
+  console.log('usage: mini-unassert < inputfile.js > outputfile.js')
+  process.exit(0)
+}
+
+process.stdin
+  .pipe(require('.')({}))
+  .pipe(process.stdout)

package.json

@@ -32,6 +32,7 @@
   ],
   "license": "Apache-2.0",
   "main": "index.js",
+  "bin": "bin.js",
   "repository": {
     "type": "git",
     "url": "https://github.com/goto-bus-stop/mini-unassert.git"